what did i do wrong?

#wrapper {
  max-width: 940px;
  margin: 0 auto;
  padding 0 5%;
}

a {
  text-decoration: none;
}



#logo {
  text-align: center;
  margin: 0;
}

h1 {
  font-family: 'Caveat Brush', cursive;
  margin: 15px 0;
  font-size: 1.75em;
}



/*site body*/
body{
  background-color: #fff;
  color: #999;
}

/* green header */
header {
  background: #6ab47b;
  border-color: #599a68;
}

/* nav background on moblie*/
nav {
  background: #599a68;
}

/* logo text */
h1, h2 { 
  color: #fff;
}

/* links */
a { 
  color: #6ab47b;
}

/* nav background on moblie*/
nav {
  background: #599a68;
}

/* nav link */
nav a,nav a:visited { 
  color: #fff;
}

 /* selected nav link */
nav a.selected, nav a:hover {
  color: #32673f;
}

/*site body*/
body{
  background-color: #fff;
  color: #999;
}

img { max-width:100%; }

#gallery {
margin:0;
padding:0;
list-style:none;
}

#gallery 1i {
float:  left;
 width: 45; 
}